Chicago police officer Samantha Mack's gun killed her partner during an impromptu sting. But who pulled the trigger?Knocked unconscious during the gunfight, Sam wakes up in the hospital to the news that her partner, Fred Maloney, has been shot and killed at the scene. With her gun. She remembers firing her gun at the perp, a suspected child molester, until it was empty, but so far there's no evidence that anyone besides her and Fred was even at the scene, alive or dead.The departmental higher-ups want to call Fred's death accidental and sweep it under the rug, but Sam wants the truth. Even when she's suspended for refusing to play along with their conclusions, she's determined to find out what happened, no matter the consequences. The only two men who can help her are Homicide Detective Mason Imes, also her married lover, and Alex O'Connor, from Internal Affairs. But can Sam trust either of them? And will she be able to clear her name before whoever killed her partner comes back for her? Read Less